Home / 13,364.79-18,442.51-7,396.03

Finding the Fourth Proportional to 13,364.79, 18,442.51 and 7,396.03

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Solution

The fourth proportional to 13,364.79, 18,442.51 and 7,396.03 is: 10,206.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.79 : 18,442.51 = 7,396.03 : x
  2. Step 2: Convert to fraction form
    13,364.79/18,442.51 = 7,396.03/x
  3. Step 3: Cross multiply
    13,364.79x = 18,442.51 × 7,396.03
  4. Step 4: Simplify right side
    13,364.79x = 136,401,357.24
  5. Step 5: Solve for x
    x = 136,401,357.24/13,364.79
  6. Step 6: Final answer
    x = 10,206.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.